Method for optimizing transmission power of radiofrequency remote control system used for unlocking door of vehicle, involves applying setting values of internal parameter of transmission circuit in real time to optimize output power

摘要

The method involves delivering a signal (S) to a receiver (30) i.e. active or passive receiver, embarked in a vehicle via transmission or reception antennas (A1, A2) by a transmission circuit (22) of transmitter (20) i.e. active or passive transmitter e.g. badge. Setting values of internal parameter i.e. capacitance of the circuit, are determined for providing maximum output power in environment conditions by compensating impedance variations of antenna. The values are pre-recorded and applied in real time to optimize output power by transmitting the maximum power based on the conditions. An independent claim is also included for a radiofrequency transmitter for remote control of a vehicle to implement a method for optimizing transmission power of radiofrequency control system.